<template>
  <div class="app-container">
    <h2 style="text-align: center;">发布新课程</h2>

    <el-steps :active="3" process-status="wait" align-center style="margin-bottom: 40px;">
      <el-step title="填写课程基本信息" />
      <el-step title="创建课程大纲" />
      <el-step title="提交审核" />
    </el-steps>

    <div class="ccInfo">
      <img :src="coursePublish.cover" />
      <div class="main">
        <h2>{{ coursePublish.title }}</h2>
        <p class="gray">
          <span>共{{ coursePublish.lessonNum }}课时</span>
        </p>
        <p>
          <span>所属分类：{{ coursePublish.subjectLevelOne }} — {{ coursePublish.subjectLevelTwo }}</span>
        </p>
        <p>课程讲师：{{ coursePublish.teacherName }}</p>
        <h3 class="red">￥{{ coursePublish.price }}</h3>
      </div>
    </div>

    <div>
      <el-button @click="previous">返回修改</el-button>
      <el-button :disabled="saveBtnDisabled" type="primary" @click="publish">发布课程</el-button>
    </div>
  </div>
</template>

<script>
import courseApi from "@/api/edu/course";
export default {
  data() {
    return {
      coursePublish: {},
      courseId: "",
      saveBtnDisabled: false // 保存按钮是否禁用
    };
  },

  created() {
    //获取路由中id值
    if (this.$route.params && this.$route.params.id) {
      this.courseId = this.$route.params.id;
    }
    this.getCoursePublish();
    console.log("publish created");
  },
  methods: {
    getCoursePublish() {
      courseApi.getPublishCourseInfo(this.courseId).then(response => {
        this.coursePublish = response.data.publishInfo;
      });
    },
    previous() {
      console.log("previous");
      this.$router.push({ path: "/course/chapter/" + this.courseId });
    },
    publish() {
      this.$confirm("此操作将最终发布课程，是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(()=>{
        console.log("publish");
        courseApi.PublishCourse(this.courseId).then(response=>{
          this.$message({
            type: "success",
            message: "课程发布成功"
          })
          this.$router.push({ path: "/course/list" });
        })
      })
    }
  }
};
</script>

<style scoped>
.ccInfo {
    background: #f5f5f5;
    padding: 20px;
    overflow: hidden;
    border: 1px dashed #DDD;
    margin-bottom: 40px;
    position: relative;
}
.ccInfo img {
    background: #d6d6d6;
    width: 500px;
    height: 278px;
    display: block;
    float: left;
    border: none;
}
.ccInfo .main {
    margin-left: 520px;
}

.ccInfo .main h2 {
    font-size: 28px;
    margin-bottom: 30px;
    line-height: 1;
    font-weight: normal;
}
.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}

.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}
.ccInfo .main h3 {
    left: 540px;
    bottom: 20px;
    line-height: 1;
    font-size: 28px;
    color: #d32f24;
    font-weight: normal;
    position: absolute;
}
</style>